Opposite four-stroke four-cylinder petrol internal combustion engine 

ROTO 170 FS AL is suitable for UAV projects within the range of 5 meters and weight up to 45 kg.

Properties of ROTO 170 FS AL

Engine capacity170 ccm
Fuel consumption 1300-1800 g/h
Engine output8,4 HP (6300 Watts)
Engine weightfrom 4650 g
Arrangement of the engineopposing boxer
Lubricationpetrol 95 oct. + 2% oil
Speed900 – 6500 rpm
Speed with alternator3200 – 6500 rpm (limiter)
Ceiling4000 metres above sea level
Fuel systemCarburettor (+Altimeter unit)
Flight modes (lifetime)200+ hours if TBO is kept

Engine ROTO 170 FS AL can be fitted with:

Cannot be used as a starter.

Alternator 300WAlternator 600W
PMG ( Permanent Magnet Generator)3 phase output
NdFeB magnets
Voltage curve 14V/1000RPM (possibility of rewinding according to client)
Diameter 101mm
Thickness 22mm 25mm
Weight 450g 550g
Out. Power at 3000RPM 300W 430W
Out. Power at 6000RPM 600W 960W
Cooling forced by air flow
Resistance to fuel, oil, water, mechanical stress
Operating temperature -30°C to 120°C

Can be used as a starter.

Can be used as a starter.

In the span of 5-60 volts with a number of outputs and voltage according to customer requirements.


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